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Six Common Lotus Root Diseases and Their Control Methods
I. Main Disease Types June and July are the peak growing period for lotus roots and also the peak period for various diseases, so doing a good job of disease control is key. As an instructor in the agricultural science and technology system, I propose lotus root disease control techniques to guide demonstrators and lotus root farmers in production. 1. Lotus root rot, also known as black root disease, lotus root...
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How is integrated control of lotus root diseases carried out?
I. Lotus root brown spot disease A common disease of lotus leaves, producing light brown lesions on the leaves, causing localized drying of the affected leaves. Control: Reasonable close planting to ensure ventilation and light penetration in the lotus field; appropriately increase the application of phosphorus and potassium fertilizers to improve plant resistance, and promptly remove diseased plant residues. At the early stage of the disease, use 25% carbendazim 600x solution, or 75% chlorothalonil...
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What are the main pests and diseases of lychee in March?
1. Downy blight: also called downy mildew blight. It mainly damages the fruit, and also infects flower clusters and young leaves. When the fruit is affected, the disease usually starts at the fruit stem, with irregular lesions appearing on the fruit skin surface that gradually spread, eventually turning the entire fruit black, rotting the flesh, producing a sour, fermented, wine-like smell, and with a white frost-like substance on the outside of the diseased fruit, causing fruit drop....
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Early control methods for four onion diseases
The main onion diseases are downy mildew, gray mold, rust and soft rot, and they should be controlled early. Downy mildew and gray mold Downy mildew mainly damages the outer leaves and flower stalks of onions. The suitable temperature for the disease is 10-20°C, and it can occur from April to May or from November to December. At the beginning of the disease, affected plants show oblong or band-shaped sunken lesions on the outer leaves...
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What are the common methods for controlling pests and diseases in Hami melons?
Common pest and disease control methods for Hami melons
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Detailed explanation of common diseases of Siraitia grosvenorii and their control methods
Common diseases of Siraitia grosvenorii and their control
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Detailed Guide to Identifying and Controlling Common Diseases and Pests of Cowpeas
Common Diseases and Pests of Cowpeas and Their Control
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Smart prevention and control of nectarine pests and diseases: new strategies are here
During the growing period of nectarines, the main diseases include bacterial shot hole disease and brown spot shot hole disease, etc. Spray with "Xingao Zhimo" + 70% thiophanate-methyl wettable powder 800-fold solution, 65% zineb wettable powder 500-fold solution. The main pests include aphids, red spider mites, etc., and 10% imidacloprid 3000-fold solution can be used. At the same time, spray Xingao...
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What are the prevention methods for potato diseases and pests?
Zhu Zhenhua, an expert from the Northern Vegetable News, recently received many consultation calls from vegetable growers in Anqiu, Shanghe, Yinan and other places. The most frequent topic was potato disease problems. Judging from the situations reported by phone, potato diseases have been occurring frequently recently, most commonly potato scab and powdery scab. Teacher Zhu said that each...
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A Detailed Guide to Common Pests and Diseases of Plum Trees and Their Control Methods
After the first pinching of plum trees, pinch the new secondary shoots when they reach 20 cm, and pinch the developing branches when they reach 60-80 cm. If there are many branches, some can be thinned out; if the branches are not too dense, thin as little as possible and rely more on control. Before mid-July, clear all weeds from the orchard. 1. Bacterial shot hole disease, can use carbendazim...
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